Siemens HQR23B225HL 225A 3-Pole 240 V Circuit Breaker

Siemens HQR23B225HL—a rugged 3-pole, 225-amp circuit breaker designed for reliable protection in demanding electrical systems. With a 240 V rating, it secures three-phase feeders and large-motor circuits against overloads and short circuits, helping to prevent downtime and equipment damage. Part Number HQR23B225HL clearly identifies this exact unit, making it the go-to replacement part for compatible Siemens panels and distribution setups. Built for professional use in commercial and industrial environments, this breaker offers the consistency and compatibility you expect from Siemens.

• 225 A current rating for main feeders and high-load circuits
• 3-pole design provides synchronized protection across all three phases
• 240 V three-phase operation ideal for modern industrial systems
• OEM-compatible replacement part that simplifies stocking and downtime
• Durable construction engineered for frequent operation in controlled environments and demanding installation conditions

Who benefits most: electrical contractors, facilities managers, panel builders, and maintenance teams who require dependable, drop-in replacements in Siemens-based electrical infrastructures. Whether you’re upgrading a legacy panel, expanding a three-phase distribution network, or replacing a worn-out breaker, the HQR23B225HL delivers predictable performance and a straightforward installation path.

Use cases include protecting high-capacity motor drives, large HVAC equipment, pumps, conveyors, or data-center cooling systems where three-phase reliability at 240 V is essential. This unit helps you maintain electrical protection standards across new builds and retrofit projects, reducing risk and improving system uptime.

In practice, choosing the Siemens HQR23B225HL means aligning your protection strategy with a trusted brand’s engineering philosophy—precision, consistency, and seamless integration with existing Siemens components. Ready to install, it supports efficient maintenance workflows by using a familiar form factor and trip characteristics that align with other Siemens devices.